m4_define([gtk_major_version], [3])
m4_define([gtk_minor_version], [1])
-m4_define([gtk_micro_version], [18])
+m4_define([gtk_micro_version], [91])
m4_define([gtk_interface_age], [0])
m4_define([gtk_binary_age],
[m4_eval(100 * gtk_minor_version + gtk_micro_version)])